Explore the Family Name Kostopoulos

The meaning of Kostopoulos

Greek: patronymic from the personal name Kostas + the ending -poulos (from Latin pullus ‘nestling, chick’), which occurs chiefly in the Peloponnese. Compare Costopoulos. Some characteristic forenames: Greek Andreas, Demetrios, Efstathios, Kostas, Nichlos, Nikolaos, Ourania.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Kostopoulos in the United States?

Based on the Decennial U.S. Census data, the surname Kostopoulos has gained popularity over a decade from 2000 to 2010. In 2000, Kostopoulos was ranked 50,801 in terms of popularity and by 2010, it climbed to the 45,495th rank, marking a positive change of 10.44%. The count of individuals with this surname also increased from 386 in 2000 to 470 in 2010, a growth of 21.76%. Similarly, the proportion of people named Kostopoulos per 100,000 also rose by 14.29%.

	2000	2010	Change
Rank	#50,801	#45,495	10.44%
Count	386	470	21.76%
Proportion per 100k	0.14	0.16	14.29%

Race and Ethnicity of people with the last name Kostopoulos

The Decennial U.S. Census data reveals interesting insights about the ethnic identity associated with the surname Kostopoulos. Over the decade from 2000 to 2010, there were no recorded instances of this surname among individuals identifying as Asian/Pacific Islander, Black or American Indian, and Alaskan Native. However, the proportion of individuals identifying as White decreased slightly by 1.62%, from 96.89% in 2000 to 95.32% in 2010. Interestingly, the percentage of individuals with the Kostopoulos surname who identified as Hispanic doubled from 1.81% to 3.62%. The data for those identifying as two or more races was suppressed in 2010 for privacy reasons.

	2000	2010	Change
White	96.89%	95.32%	-1.62%
Hispanic	1.81%	3.62%	100%
Asian/Pacific Islander	0%	0%	0%
Two or More Races	1.3%	0%	0%
Black	0%	0%	0%
American Indian and Alaskan Native	0%	0%	0%